LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

lt1 header gaskets?

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Old Sep 3, 2008 | 09:52 PM
  #1  
rdog30's Avatar
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Joined: Feb 2001
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From: Cape Girardeau,MO
Car: 85&95 Trans am
Engine: 85-LT1 95-LT1
Transmission: 4l60e & 4l60e
Axle/Gears: 3.23 & 3.23
lt1 header gaskets?

Are you guys using the d-port gaskets for the lt1 or just using regular round sbc gaskets?
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Old Sep 4, 2008 | 03:36 PM
  #2  
chevyowner02's Avatar
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From: Kingsport Tenn
Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Re: lt1 header gaskets?

Use the D port gaskets.
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Old Sep 4, 2008 | 08:36 PM
  #3  
J's T/A's Avatar
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From: Idaho Falls
Car: 82 Trans Am
Engine: LTX
Transmission: T56
Axle/Gears: 3.42 strengthed 7.5 inch
Re: lt1 header gaskets?

I used Percy's carbon d-port lt1 gaskets with hedman d-port longtubes. As long as you check the gasket against the head and there is enough seal area and no obstruction it doesn't matter, before this current build I used edelbrock headers with their round gasket.
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